Loose or disconnected harnesses (cables) connecting the operation panel to the controller board. Some technicians have specifically noted that low-quality USB cables used in certain models can cause these intermittent drops.
If the error persists and prevents normal operation, you can attempt an SC reset through the . sc673-10 ricoh error
: Navigate to System SP -> SP-5810 (SC Reset) and execute the command. a Ricoh SP C352DN
The copier, a Ricoh SP C352DN, was beeping loudly and flashing an error message on its screen: "SC673-10". John had seen this error code before, but it was rare and always seemed to appear at the most inopportune moments. sc673-10 ricoh error